Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8294865

x86: Improve the code generation of MulVB and MulVL

    XMLWordPrintable

Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 20
    • 20
    • hotspot
    • b20
    • x86

    Description

      MulVB can be implemented by alternating vmullw on odd and even elements and combining the results
      MulVL can be implemented on non-avx512dq by computing the product of each 32-bit half and adding the results together

      Attachments

        Issue Links

          Activity

            People

              qamai Quan Anh Mai
              qamai Quan Anh Mai
              Votes:
              0 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: